* {
    margin: 0;
    padding: 0;
}

header {
    width: 100%;
    height: 80px;
    background-color: antiquewhite;
    margin-top: 1px;
}

header>span {
    font-size: 40px;
    font-family: "华文新魏";
    font-style: normal;
    margin-left: 500px;
    color: burlywood;
    
   
}

form{
    width: 600px;
    margin-top: 20px auto;
    margin-left: 300px;

}
form >fieldset{
    padding: 10px;
}
form >fieldset>meter,
form >fieldset>input{
    width: 100%;
    height: 40px;
    line-height: 40px;
    border: none;
    border: 1px #ccc solid;
    border-radius: 4px;
    margin: 10px 0;
    font-size: 16px;
    padding-left: 5px;
    box-sizing: border-box;
    
}

.inputCh{
    width: auto;
    height: auto;
    margin-bottom: 10px; 
   
}
.inputCh>input{
   margin-top: 10px;
   margin-right: 10px;
   margin-top: 10px;
   font-size: 16px;
}
form >fieldset>meter{
    padding-left: 0px;
    
}
.suBtn{
    background-color: green;

}
.reBtn{
    background-color: red;
    
}